"The Global Slavery Index 2013 measures the size of the modern slavery problem, country by country. The Index provides a quantitative ranking of 162 countries around the world according to the estimated prevalence of slavery, that is, the estimated percentage of enslaved people in the national population at a point in time. The Global Slavery Index also examines the risk factors and outlines the strength of the government responses in the fight against modern slavery."

Mauritania and Haiti are high per capita, India is big on total numbers